12111122022101 has 4 divisors (see below), whose sum is σ = 12144857738400. Its totient is φ = 12077386305804.

The previous prime is 12111122022073. The next prime is 12111122022119. The reversal of 12111122022101 is 10122022111121.

12111122022101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12111122022101 - 2⁴² = 7713075510997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12111122022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111122022161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16867857611 + ... + 16867858328.

It is an arithmetic number, because the mean of its divisors is an integer number (3036214434600).

Almost surely, 2^{12111122022101} is an apocalyptic number.

It is an amenable number.

12111122022101 is a deficient number, since it is larger than the sum of its proper divisors (33735716299).

12111122022101 is an equidigital number, since it uses as much as digits as its factorization.

12111122022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33735716298.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12111122022101 its reverse (10122022111121), we get a palindrome (22233144133222).

The spelling of 12111122022101 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-two million, twenty-two thousand, one hundred one".